"-g" compiler option in mbuilder

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2 total messages Started by Scott Ferguson Wed, 06 Jan 1993 14:54

#252

Author: Scott Ferguson
Date: Wed, 06 Jan 1993 14:54

14 lines
1106 bytes

I was wondering about module performance and the "-g" compiler option.
The mbuilder compiles everything with cc -g, which puts in debugging
info. Is this necessary?

Doesn't the -g option tend to inhibit compiler optimization as well?
I suppose it's easy enough for the user to edit the Makefile and take
it out of the CFLAGS or something.

-- 
----------------------------------------------------------------------
Scott Ferguson                        Exxon Research & Engineering Co.
Project Engineer                      New Jersey
----------------------------------------------------------------------
"Always bark at a dog."

Re: "-g" compiler option in mbuilder

#261

Author: David Foulser
Date: Sat, 09 Jan 1993 01:17

29 lines
1481 bytes

Scott and Robert,

Robert is mostly right. You can edit the file and include it from
User Makefile. But you should not edit the CFLAGS variable, since
this name is "owned" by the module builder. There are some names
that you can change, however, that should do the trick.

Try putting this into your file:

    C++DEBUGFLAGS = -O
      CDEBUGFLAGS = -O
      FDEBUGFLAGS = -O

Here's a trick that is probably not well-documented, but available (you
could read the generated Imakefile file to figure this out):

You can name this file Imakefile.default and it will be included EVEN if
you don't name it in User Makefile. The Imakefile.default file is
always included into the generated Makefile.

Dave

-- 
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
David Foulser					foulser@sgi.com 
MS 1L-545
Silicon Graphics, Inc   			415/390-5338 
2011 N. Shoreline Blvd. 			415/390-6056 FAX
Mountain View, CA 94039-7311

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